Is this the one you mean?
http://www.ebay.co.uk/itm/BMW-DISA-Valve-Intake-Adjuster-Unit-Aluminium-Repair-Kit-M54-2-2-or-2-5-/161027574052?pt=LH_DefaultDomain_3&hash=item257dfdc924
Ive got the 2.2 engine and to be honest thought it didnt get this issue?
http://www.ebay.co.uk/itm/BMW-DISA-Valve-Intake-Adjuster-Unit-Aluminium-Repair-Kit-M54-2-2-or-2-5-/161027574052?pt=LH_DefaultDomain_3&hash=item257dfdc924
Ive got the 2.2 engine and to be honest thought it didnt get this issue?